From 56db13b4c82c2c79261e7de9bcc7e0296ac5e179 Mon Sep 17 00:00:00 2001
From: favilo <kevin.oberlies@elastic.co>
Date: Thu, 19 Sep 2024 16:56:04 -0700
Subject: [PATCH] feat: allow us to dev-build the `master` branch from a
 different pipeline branch

---
 .buildkite/dev-docker/run.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.buildkite/dev-docker/run.sh b/.buildkite/dev-docker/run.sh
index 8f8d4b9b5..c71cfdbbf 100644
--- a/.buildkite/dev-docker/run.sh
+++ b/.buildkite/dev-docker/run.sh
@@ -25,7 +25,12 @@ tmp_dir=$(mktemp --directory)
 pushd "$tmp_dir"
 git clone https://github.com/elastic/rally
 pushd rally
-git checkout "${BUILD_FROM_BRANCH}"
+# checkout the version from the buildkite branch, but build it from the branch we specified
+if [[ ! -z "${BUILDKITE_BRANCH}" ]]; then
+    git checkout "${BUILDKITE_BRANCH}"
+else
+    git checkout "${BUILD_FROM_BRANCH}"
+fi
 git --no-pager show
 
 set -x